Patents by Inventor Paul Allen Zelenski

Paul Allen Zelenski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Continuous casting starting bar and stowage thereof
    Patent number: 4043383
    Abstract: An elongate rigid arcuate starting bar has a socket in a surface, and a dog that travels along a fixed arcuate track, under the influence of a fluid actuated cylinder-piston assembly, engages the starting bar socket and retracts the bar into a stowage therefor above a run-out table on which a continuous cast strand travels. The track is so shaped that the dog disengages from the starting bar, and also engages the starting bar automatically.
    Type: Grant
    Filed: September 23, 1976
    Date of Patent: August 23, 1977
    Assignee: Koppers Company, Inc.
    Inventors: Don Eugene Isenberg, Irvin Lee Parker, Jr., Paul Allen Zelenski